| Author: | McKeel, B. K. |
|---|---|
| Year: | 1972 |
| Document Type: | N/A |
| SUDOC: | ER 1.21:P 87/21/pre./x |
| Series: | United States Energy Research and Development Administration Reports |
| Report Number: | ERDA Preliminary Map No. 21 |
| Subjects: | Geological cross sections -- Powder River Basin (Wyo. and Mont.) |
| Coal -- Geology -- Powder River Basin (Wyo. and Mont.) | |
| Electric logging -- Powder River Basin (Wyo. and Mont.) | |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc957868/ |